Tell me about WTC extra long b screws

[Conway Bennett]

For context I have a deore 9 speed rear derailer on my wife's Roscoe Bubbe mixte that used to shift across a sunrace 9 speed cassette with a 42t low gear. Then it stopped.

I checked the cable tension and adjusted the limit screws but no dice. I know it should not have worked in the first place so I bought a WTC extra long b screw. The way that the extra long b screw changed geometry there is no way it will make contact with the derailer tab.

With that, the standard b screw barely makes contact with the derailer tab when fully engaged.

What am I missing here?

Thanks in advance.

- Conway

[J L]

Conway,

I don’t know anything specific about the WTC extra long B screw but I have often installed a B screw from the bottom up. The head of the screw sticks out and can catch that b screw shelf. I just guess at the length needed and this often involves pulling the RD off the bike in order to install the screw.

Trial and error + a measurement ahead of time (x was too short so It should stick out more that x) makes this a quick, but not immediate fix.

Hope that helps.

Jason

> On Jun 8, 2020, at 7:39 PM, Conway Bennett <captaincon...@gmail.com> wrote:
>
> For context I have a deore 9 speed rear derailer on my wife's Roscoe Bubbe mixte that used to shift across a sunrace 9 speed cassette with a 42t low gear. Then it stopped.

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[Garth]

Conway, If the screw doesn't work out, one of those Wolf Roadlink derailleur tab extensions would also work. There's many brands of them but only the Wolf and Wheels Mfg. ones use a steel screw that I know of.

[Conway Bennett]

Solved! The screw on the barend shifter came loose and the components were slightly out of alignment making it so I could not get a full throw of the shifter.

FWIW, a long cage 9 speed deore rear derailleur will shift at least up to a 42t cog with the stock b screw full tightened.

[Garth]

That's great Conway ... good allaround .

[Matthew Pendergraft]

Agreed!

This:

"FWIW, a long cage 9 speed deore rear derailleur will shift at least up to a 42t cog with the stock b screw full tightened."

to me is a nugget of info.

Thank you forum-ing!

On Tue, Jun 9, 2020 at 10:04 AM Garth <gart...@gmail.com> wrote:

That's great Conway ... good allaround .

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[Conway Bennett]

I'm making an effort to contribute as much as I sell on the list. Asking questions that I have hopefully will help enlighten others.

[Garth]

Extra long b-screws is something I've not needed but likely will in the future so it helps me. What does WTC stand for ?

[Conway Bennett]

Wolf Tooth Components

Fair winds,

Captain Conway Bennett
239.877.4119

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[Garth]

Thanks Conway . ... laughing at myself !

On Tuesday, June 9, 2020 at 6:17:35 PM UTC-4, Conway Bennett wrote:

Wolf Tooth Components

Fair winds,

Captain Conway Bennett
239.877.4119

On Tue, Jun 9, 2020, 4:58 PM Garth <gar...@gmail.com> wrote:

Extra long b-screws is something I've not needed but likely will in the future so it helps me. What does WTC stand for ?

On Tuesday, June 9, 2020 at 4:42:52 PM UTC-4, Conway Bennett wrote:

I'm making an effort to contribute as much as I sell on the list.  Asking questions that I have hopefully will help enlighten others.

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